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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exp. Prime Factor Digits Year
9266941556016478 ~1987
9267073556024398 ~1987
9267179185343598 ~1985
92673611482777779 ~1988
9267541205739410310 ~1990
9267623185352478 ~1985
9267761556065678 ~1987
9267989741439138 ~1987
9268151185363038 ~1985
9268277556096638 ~1987
9268543926854318 ~1987
9268577556114638 ~1987
9268631185372638 ~1985
9268877741510178 ~1987
9269237556154238 ~1987
9269339185386798 ~1985
9269413556164798 ~1987
9269699185393998 ~1985
9269773556186398 ~1987
9269941556196478 ~1987
9270211927021118 ~1987
9270419185408398 ~1985
9270637556238238 ~1987
9271153556269198 ~1987
92713371297987199 ~1987
Exp. Prime Factor Digits Year
9271421741713698 ~1987
9271583185431678 ~1985
9271637556298238 ~1987
9271739185434798 ~1985
9271861556311678 ~1987
9271877556312638 ~1987
9272339185446798 ~1985
9272603185452078 ~1985
9272797556367838 ~1987
92728332225479939 ~1988
9272951185459038 ~1985
9273191185463838 ~1985
9273217556393038 ~1987
92733171298264399 ~1987
9273541556412478 ~1987
9273799927379918 ~1987
9273923185478478 ~1985
9274081556444878 ~1987
92742772782283119 ~1988
9274513556470798 ~1987
9274781556486878 ~1987
9274871185497438 ~1985
9274883185497678 ~1985
9275023142835354310 ~1990
9275039185500798 ~1985
Exp. Prime Factor Digits Year
9275177742014178 ~1987
9275219185504398 ~1985
9275879185517598 ~1985
9275951185519038 ~1985
9276019927601918 ~1987
9276023185520478 ~1985
9276119185522398 ~1985
9276539185530798 ~1985
9276671185533438 ~1985
92767391669813039 ~1988
92769918905911379 ~1990
92770311669865599 ~1988
9277043185540878 ~1985
92771275195191139 ~1989
9277199742175938 ~1987
9277403185548078 ~1985
9277421556645278 ~1987
9277451185549038 ~1985
9278459185569198 ~1985
9278513556710798 ~1987
9278891185577838 ~1985
9279191742335298 ~1987
9279659185593198 ~1985
92797374454273779 ~1989
9279863185597278 ~1985
Exp. Prime Factor Digits Year
9279953556797198 ~1987
9279983185599678 ~1985
9280091185601838 ~1985
92803871670469679 ~1988
9280541742443298 ~1987
9280703185614078 ~1985
9280751185615038 ~1985
92807572227381699 ~1988
9280919742473538 ~1987
9281003185620078 ~1985
9281171185623438 ~1985
9281423185628478 ~1985
9281611928161118 ~1987
9281843185636878 ~1985
9281873556912398 ~1987
9281879185637598 ~1985
9281963185639278 ~1985
9281977556918638 ~1987
92819771485116339
9282083185641678 ~1985
9282191185643838 ~1985
9282419185648398 ~1985
9282491185649838 ~1985
9282743185654878 ~1985
92829438354648719 ~1989
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